decrypt function
Decrypting String
Implementation
String decrypt(String ciphertext, RSAPrivateKey privateKey) {
var cipher = new RSAEngine()
..init(false, new PrivateKeyParameter<RSAPrivateKey>(privateKey));
var decrypted = cipher.process(new Uint8List.fromList(ciphertext.codeUnits));
return new String.fromCharCodes(decrypted);
}